NBRC Practice Test #2 Flashcards
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Questions and Answers

After a patient undergoes a thoracentesis, the obtained pleural fluid is clear with a slight straw color. This fluid is most likely the result of:

  • Congestive heart failure (correct)
  • Empyema
  • Hemothorax
  • Lung carcinoma

The respiratory therapist is calibrating a spirometer and checking the volume with a 3.0-liter super syringe. The volumes recorded are 2.85L, 2.8L, and 2.8L. Based upon the information obtained, which of the following is a correct statement?

  • Spirometer is accurate
  • The plunger was advanced too slowly
  • Spirometer may have a leak (correct)
  • Another syringe needs to be used

Which of the following is an indication for high-frequency jet ventilation?

  • Bronchopleural fistula (correct)
  • Necrotizing lesion of the right lung
  • Wilson Mikity syndrome
  • Centrilobular emphysema

What treatment should the respiratory therapist recommend for a 43 y/o female patient who is unresponsive after a total abdominal hysterectomy?

<p>Insert OPA</p> Signup and view all the answers

What is the normal VD/VT ratio for a patient breathing room air?

<p>20-40%</p> Signup and view all the answers

All of the following could cause a patient's right hemidiaphragm to be elevated, EXCEPT:

<p>Right side hyperlucency, absent vascular markings (B)</p> Signup and view all the answers

Which of the following would most likely indicate that a 2 y/o child with croup is ready for extubation?

<p>Breath sounds are heard around the tube on auscultation (C)</p> Signup and view all the answers

Which of the following should the respiratory therapist monitor for a patient who is experiencing nausea and vomiting and has been started on Lasix?

<p>Serum electrolytes (D)</p> Signup and view all the answers

While instructing a patient prior to a vital capacity maneuver, the RT should direct the patient to:

<p>Inhale to TLC then exhale to RV (D)</p> Signup and view all the answers

These results from a 77 y/o male patient are most consistent with which of the following: shortness of breath, fine basilar crackles, +2 pitting edema, and a chest X-ray with a butterfly pattern?

<p>Pulmonary edema (C)</p> Signup and view all the answers

What formula will determine the total flow being delivered to a patient with a 28% venturi mask running at 6 L/min?

<p>Total flow = 6 x 11</p> Signup and view all the answers

What should the respiratory therapist do for a patient with end-stage pulmonary fibrosis who experiences increased WOB and shortness of breath while receiving O2 at 2L/min via a transtracheal oxygen catheter?

<p>Flush the transtracheal device with isotonic saline</p> Signup and view all the answers

What should the respiratory therapist check to restore a normal waveform on the arterial line graphic?

<p>Check the transducer dome for air bubbles</p> Signup and view all the answers

What should the respiratory therapist conclude if a patient on mechanical ventilation experiences a significant rise in heart rate and a severe fall in blood pressure after increasing PEEP to 15 cm H20?

<p>Hypovolemia</p> Signup and view all the answers

Flashcards

What does clear, straw-colored pleural fluid indicate?

Clear, straw-colored pleural fluid obtained after a thoracentesis procedure is a strong indicator of Congestive Heart Failure (CHF).

What do consistent spirometer readings like 2.85L, 2.8L, and 2.8L indicate?

If a spirometer consistently records volumes like 2.85L, 2.8L, and 2.8L, it suggests a leak in the device.

What is High-frequency jet ventilation used for?

High-frequency jet ventilation is a respiratory technique used to manage Bronchopleural Fistula. It involves applying mean airway pressures and low tidal volumes to optimize oxygenation without worsening the fistula.

What should be done for an obtunded patient post-abdominal hysterectomy?

An oropharyngeal airway (OPA) should be inserted for an obtunded patient following an abdominal hysterectomy to maintain airway patency.

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What is the normal VD/VT ratio?

The normal ratio of dead space volume to tidal volume (VD/VT) while breathing room air is between 20% and 40%.

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What does right-side hyperlucency with absent vascular markings indicate?

Right-side hyperlucency with absent vascular markings on chest X-ray suggests pneumothorax, not an elevated diaphragm.

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What indicates potential readiness for extubation in a 2-year-old with croup?

Presence of breath sounds around the endotracheal tube in a 2-year-old with croup may suggest readiness for extubation.

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What should be monitored after NGT and Lasix?

Monitoring serum electrolytes is crucial after nasogastric tube (NGT) placement and Lasix administration to assess for potential fluid loss.

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Describe the instructions for a vital capacity maneuver.

During a vital capacity maneuver, the patient should deeply inhale to Total Lung Capacity (TLC) and then exhale completely down to Residual Volume (RV).

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What are some key indicators of pulmonary edema?

Symptoms like shortness of breath, fine basilar crackles, +2 pitting edema, and a butterfly pattern on chest X-ray are consistent with pulmonary edema, often associated with CHF.

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How do you calculate the total flow for a 28% Venturi mask at 6 L/min?

The total flow delivered with a 28% Venturi mask at 6 L/min is calculated as 6 x 11, where 11 is the flow factor for a 28% mask.

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What action is needed if a patient on transtracheal oxygen experiences increased WOB?

Increased work of breathing (WOB) and shortness of breath in a patient on transtracheal oxygen indicate a need to flush the device with isotonic saline.

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What should be checked if the waveform on an arterial line is dampened?

If the waveform on an arterial line monitoring system is dampened, check the transducer dome for air bubbles. This can cause inaccurate readings.

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What do a rise in HR and drop in BP with increased PEEP indicate?

A significant rise in heart rate and drop in blood pressure with increased PEEP (positive end-expiratory pressure) suggests the patient is experiencing hypovolemia (low blood volume).

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What might diminished breath sounds and decreased inspiratory capacity after thoracotomy suggest?

Diminished breath sounds at the lung bases and decreased inspiratory capacity after thoracotomy may indicate postoperative complications requiring further evaluation.

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Study Notes

Thoracentesis and Pleural Fluid

  • Clear, straw-colored pleural fluid post-thoracentesis indicates Congestive Heart Failure (CHF).

Spirometer Calibration

  • Recorded volumes of 2.85L, 2.8L, and 2.8L suggest spirometer may have a leak.

High-Frequency Jet Ventilation

  • Indicated for Bronchopleural Fistula; utilizes mean airway pressures and low tidal volumes to optimize oxygenation without worsening fistula.

Post-Anesthesia Care

  • For an obtunded patient post-abdominal hysterectomy, inserting an oropharyngeal airway (OPA) is recommended due to unresponsiveness.

Ventilation Ratios

  • Normal VD/VT (dead space to tidal volume) ratio for room air breathing is 20-40%.

Elevated Right Hemidiaphragm Causes

  • Right-side hyperlucency with absent vascular markings suggests pneumothorax, not an elevated diaphragm.

Extubation Readiness in Pediatric Patient

  • Breath sounds around the tube on auscultation indicate potential readiness for extubation in a intubated 2-year-old with croup.

Monitoring After NGT and Lasix

  • Serum electrolytes must be monitored due to potential fluid loss with Lasix administration.

Vital Capacity Maneuver Instructions

  • Instruct patient to inhale to Total Lung Capacity (TLC) then exhale to Residual Volume (RV) during vital capacity maneuver.

Pulmonary Edema Indicators

  • Symptoms of shortness of breath, fine basilar crackles, +2 pitting edema, and a butterfly pattern on chest X-ray suggest pulmonary edema and CHF.

Total Flow with Venturi Mask

  • Total flow delivered with a 28% Venturi mask at 6 L/min is calculated as 6 x 11 (flow factor = 11).

Transtracheal Oxygen Issues

  • Increased work of breathing (WOB) and shortness of breath in a patient on transtracheal oxygen necessitate flushing the device with isotonic saline.

Dampened Waveform on Arterial Line

  • To restore normal graphic on arterial line monitoring, check the transducer dome for air bubbles.

PEEP Study Results

  • A significant rise in heart rate and drop in blood pressure at increased PEEP suggests the patient is experiencing hypovolemia.

Incentive Spirometry in Post-Op Patients

  • Diminished breath sounds at lung bases and decreased inspiratory capacity post-thoracotomy may indicate complications needing further evaluation.

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Prepare for your NBRC exams with this set of practice flashcards. Each card presents a scenario or question relevant to respiratory therapy, with key concepts and definitions for effective review. Ideal for students and professionals looking to enhance their knowledge and exam readiness.

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